<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>让渡</title>
    <script src="js/jquery-1.12.4.js"></script>
</head>
<body>
<p id="p1"></p>
<script type="text/javascript">
var _=$.noConflict()
    jQuery("#p1").text("hahaha")
</script>
</body>
</html>